src/cmd/5g/prog.c - Issue 92760044: code review 92760044: runtime: use duff zero and copy to initialize memory

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Unified Diff: src/cmd/5g/prog.c

Issue 92760044: code review 92760044: runtime: use duff zero and copy to initialize memory (Closed)

Patch Set: diff -r a6cb2adc55eb https://khr%40golang.org@code.google.com/p/go/ Created 10 years, 11 months ago

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Index: src/cmd/5g/prog.c

===================================================================

--- a/src/cmd/5g/prog.c

+++ b/src/cmd/5g/prog.c

@@ -93,6 +93,12 @@

[AMOVF]= {SizeF | LeftRead | RightWrite | Move},

[AMOVH]= {SizeW | LeftRead | RightWrite | Move},

[AMOVW]= {SizeL | LeftRead | RightWrite | Move},

+ // In addtion, duffzero reads R0,R1 and writes R1. This fact is

+ // encoded in peep.c

+ [ADUFFZERO]= {Call},

+ // In addtion, duffcopy reads R1,R2 and writes R0,R1,R2. This fact is

+ // encoded in peep.c

+ [ADUFFCOPY]= {Call},

// These should be split into the two different conversions instead

// of overloading the one.

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